Seiko Cal. 6668 - 378

This Automatic model from 1973 features a 35mm Stainless Steel case. Powered by the 6668 caliber with 33j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-b1a96722db73]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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